Finding the Fourth Proportional to 68,497,962.70, 94,540,921.08 and 40,636,138
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Solution
The fourth proportional to 68,497,962.70, 94,540,921.08 and 40,636,138 is: 56,086,017.22
Step by Step Solution
- Step 1: Write the proportion equation
68,497,962.70 : 94,540,921.08 = 40,636,138 : x - Step 2: Convert to fraction form
68,497,962.70/94,540,921.08 = 40,636,138/x - Step 3: Cross multiply
68,497,962.70x = 94,540,921.08 × 40,636,138 - Step 4: Simplify right side
68,497,962.70x = 3,841,777,915,653,989 - Step 5: Solve for x
x = 3,841,777,915,653,989/68,497,962.70 - Step 6: Final answer
x = 56,086,017.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.